Mercedes_M276_M278_C-10150713-9999 PDF

A service bulletin addressing minor oil leaks or oil seepage in Mercedes engines M276, M278, and M176. It details complaints of minor oil leaks in areas such as the timing case cover, water pump, coolant thermostat, oil pan, and other sealing surfaces. Various causes are noted, and remedies include sealing and repairing minor leaks, and attaching additional information and pictures to relevant PTSS cases.